27066304553 has 2 divisors, whose sum is σ = 27066304554. Its totient is φ = 27066304552.

The previous prime is 27066304511. The next prime is 27066304561. The reversal of 27066304553 is 35540366072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16433188864 + 10633115689 = 128192^2 + 103117^2 .

It is a cyclic number.

It is not a de Polignac number, because 27066304553 - 2¹⁴ = 27066288169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27066304553.

It is not a weakly prime, because it can be changed into another prime (27066304583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533152276 + 13533152277.

It is an arithmetic number, because the mean of its divisors is an integer number (13533152277).

Almost surely, 2^27066304553 is an apocalyptic number.

It is an amenable number.

27066304553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066304553 is an equidigital number, since it uses as much as digits as its factorization.

27066304553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 27066304553 in words is "twenty-seven billion, sixty-six million, three hundred four thousand, five hundred fifty-three".